C++ (Cpp) iser_finalize_rdma_unaligned_sgの例

コード例 #1

ファイル: iser_initiator.c プロジェクト: bond-os/linux

void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
{
	int is_rdma_aligned = 1;
	struct iser_regd_buf *regd;

	/* if we were reading, copy back to unaligned sglist,
	 * anyway dma_unmap and free the copy
	 */
	if (iser_task->data_copy[ISER_DIR_IN].copy_buf != NULL) {
		is_rdma_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task, ISER_DIR_IN);
	}
	if (iser_task->data_copy[ISER_DIR_OUT].copy_buf != NULL) {
		is_rdma_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task, ISER_DIR_OUT);
	}

	if (iser_task->dir[ISER_DIR_IN]) {
		regd = &iser_task->rdma_regd[ISER_DIR_IN];
		if (regd->reg.is_fmr)
			iser_unreg_mem(&regd->reg);
	}

	if (iser_task->dir[ISER_DIR_OUT]) {
		regd = &iser_task->rdma_regd[ISER_DIR_OUT];
		if (regd->reg.is_fmr)
			iser_unreg_mem(&regd->reg);
	}

       /* if the data was unaligned, it was already unmapped and then copied */
       if (is_rdma_aligned)
		iser_dma_unmap_task_data(iser_task);
}

コード例 #2

ファイル: iser_initiator.c プロジェクト: johnny/CobraDroidBeta

void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
{
	int deferred;
	int is_rdma_aligned = 1;
	struct iser_regd_buf *regd;

	/* if we were reading, copy back to unaligned sglist,
	 * anyway dma_unmap and free the copy
	 */
	if (iser_task->data_copy[ISER_DIR_IN].copy_buf != NULL) {
		is_rdma_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task, ISER_DIR_IN);
	}
	if (iser_task->data_copy[ISER_DIR_OUT].copy_buf != NULL) {
		is_rdma_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task, ISER_DIR_OUT);
	}

	if (iser_task->dir[ISER_DIR_IN]) {
		regd = &iser_task->rdma_regd[ISER_DIR_IN];
		deferred = iser_regd_buff_release(regd);
		if (deferred) {
			iser_err("%d references remain for BUF-IN rdma reg\n",
				 atomic_read(&regd->ref_count));
		}
	}

	if (iser_task->dir[ISER_DIR_OUT]) {
		regd = &iser_task->rdma_regd[ISER_DIR_OUT];
		deferred = iser_regd_buff_release(regd);
		if (deferred) {
			iser_err("%d references remain for BUF-OUT rdma reg\n",
				 atomic_read(&regd->ref_count));
		}
	}

       /* if the data was unaligned, it was already unmapped and then copied */
       if (is_rdma_aligned)
		iser_dma_unmap_task_data(iser_task);
}

コード例 #3

ファイル: iser_initiator.c プロジェクト: DenisLug/mptcp

void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
{
	int is_rdma_data_aligned = 1;
	int is_rdma_prot_aligned = 1;
	int prot_count = scsi_prot_sg_count(iser_task->sc);

	/* if we were reading, copy back to unaligned sglist,
	 * anyway dma_unmap and free the copy
	 */
	if (iser_task->data[ISER_DIR_IN].orig_sg) {
		is_rdma_data_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->data[ISER_DIR_IN],
						ISER_DIR_IN);
	}

	if (iser_task->data[ISER_DIR_OUT].orig_sg) {
		is_rdma_data_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->data[ISER_DIR_OUT],
						ISER_DIR_OUT);
	}

	if (iser_task->prot[ISER_DIR_IN].orig_sg) {
		is_rdma_prot_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->prot[ISER_DIR_IN],
						ISER_DIR_IN);
	}

	if (iser_task->prot[ISER_DIR_OUT].orig_sg) {
		is_rdma_prot_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->prot[ISER_DIR_OUT],
						ISER_DIR_OUT);
	}

	if (iser_task->dir[ISER_DIR_IN]) {
		iser_unreg_rdma_mem(iser_task, ISER_DIR_IN);
		if (is_rdma_data_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->data[ISER_DIR_IN],
						 DMA_FROM_DEVICE);
		if (prot_count && is_rdma_prot_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->prot[ISER_DIR_IN],
						 DMA_FROM_DEVICE);
	}

	if (iser_task->dir[ISER_DIR_OUT]) {
		iser_unreg_rdma_mem(iser_task, ISER_DIR_OUT);
		if (is_rdma_data_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->data[ISER_DIR_OUT],
						 DMA_TO_DEVICE);
		if (prot_count && is_rdma_prot_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->prot[ISER_DIR_OUT],
						 DMA_TO_DEVICE);
	}
}

コード例 #4

ファイル: iser_initiator.c プロジェクト: antiguru/ofed-compat-rdma

void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
{
	struct iser_device *device = iser_task->iser_conn->ib_conn.device;
	int is_rdma_data_aligned = 1;
	int is_rdma_prot_aligned = 1;
	int prot_count = scsi_prot_sg_count(iser_task->sc);

	/* if we were reading, copy back to unaligned sglist,
	 * anyway dma_unmap and free the copy
	 */
	if (iser_task->data_copy[ISER_DIR_IN].copy_buf != NULL) {
		is_rdma_data_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->data[ISER_DIR_IN],
						&iser_task->data_copy[ISER_DIR_IN],
						ISER_DIR_IN);
	}

	if (iser_task->data_copy[ISER_DIR_OUT].copy_buf != NULL) {
		is_rdma_data_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->data[ISER_DIR_OUT],
						&iser_task->data_copy[ISER_DIR_OUT],
						ISER_DIR_OUT);
	}

	if (iser_task->prot_copy[ISER_DIR_IN].copy_buf != NULL) {
		is_rdma_prot_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->prot[ISER_DIR_IN],
						&iser_task->prot_copy[ISER_DIR_IN],
						ISER_DIR_IN);
	}

	if (iser_task->prot_copy[ISER_DIR_OUT].copy_buf != NULL) {
		is_rdma_prot_aligned = 0;
		iser_finalize_rdma_unaligned_sg(iser_task,
						&iser_task->prot[ISER_DIR_OUT],
						&iser_task->prot_copy[ISER_DIR_OUT],
						ISER_DIR_OUT);
	}

	if (iser_task->dir[ISER_DIR_IN]) {
		device->iser_unreg_rdma_mem(iser_task, ISER_DIR_IN);
		if (is_rdma_data_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->data[ISER_DIR_IN]);
		if (prot_count && is_rdma_prot_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->prot[ISER_DIR_IN]);
	}

	if (iser_task->dir[ISER_DIR_OUT]) {
		device->iser_unreg_rdma_mem(iser_task, ISER_DIR_OUT);
		if (is_rdma_data_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->data[ISER_DIR_OUT]);
		if (prot_count && is_rdma_prot_aligned)
			iser_dma_unmap_task_data(iser_task,
						 &iser_task->prot[ISER_DIR_OUT]);
	}
}